ha well you overcame my little setup there for pt2 lol, nice, i shoulda hit someone else with that i guess, but anyway ya, we can observe a Body of adults working together toward a common end don't really need to talk much at all, right, after the first...i dunno, year or so, anyway, yes? When you know someone well enough, you can read their mind. And we are called to become like little children, as you say. So Paul's passage "When i was a child" should be understood in the context of the whole chapter; wherein all of the adult stuff is subtly dismissed, and all of the stuff that little children do natch is all that's left. the old wine is better, they say :)
Becoming as a child is one thing and putting away childish ways is quite another. Too many people sitting in the pews and standing behind a pulpit continue to engage in childish ways. Or perhaps it is that they still drink milk through a nipple after their 21st birthday. They often so not even realize a need to grow up and eat meat. Are they so comfortable where they are?